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| Number | Title | Issue Date |
| 8177427 | Temperature sensor and method of producing the same A temperature sensor is provided. The temperature sensor includes: a temperature sensitive element having a temperature sensitive body and an element electrode wire; a sheath member having an external cylinder, the sheath member encompassing a sheath core wire to be... | 05/15/2012 |
| 8153909 | Multilayer wiring board and method of manufacturing the same A coreless wiring board has no core board but a laminated structure in which a conductor layer and resin insulating layers are alternately laminated into a multilayer. Each of the resin insulating layers is formed to contain a glass cloth in an epoxy resin. A plural... | 04/10/2012 |
| 8148664 | Glow plug and manufacturing method of the same A sheath heater for a glow plug comprises a sheath tube having a closed front end portion, and an open rear end portion. An insulating powder is charged into a gap between the sheath tube and a heat-generating resistor disposed within the sheath tube. A seal member ... | 04/03/2012 |
| 8143534 | Wiring board having solder bump and method for manufacturing the same A wiring board has a wiring board main body, a solder resist and solder bumps. The solder resist is formed on a top surface of the wiring board main body, and includes first openings, and second openings that have a diameter larger than that of the first openings. T... | 03/27/2012 |
| 8137625 | Urea sensor A urea sensor includes a detecting portion which, in use, is immersed in a liquid accommodated in a urea solution tank for detecting the thermal conductivity of the liquid to detect whether the liquid accommodated in the urea solution tank is an aqueous urea solutio... | 03/20/2012 |
| 8130507 | Component built-in wiring board A component built-in wiring board is provided. The component built-in wiring board 10 includes a core substrate 11, a first component 61, a first built-up layer 31 and a capacitor 101. The core substrate 11 has a housing hol... | 03/06/2012 |
| 8129828 | Wiring substrate with reinforcement A wiring substrate assembly includes a resin wiring substrate and a reinforcement member. The resin wiring substrate does not have a core substrate, and includes a substrate main surface, a substrate back surface, a laminate structure comprised of resin insulation l... | 03/06/2012 |
| 8110754 | Multi-layer wiring board and method of manufacturing the same A multi-layer wiring board without a core substrate includes: a multi-layer laminated structure; first terminals provided on a front surface of the multi-layer laminated structure; second terminals provided on a rear surface of the multi-layer laminated structure; t... | 02/07/2012 |
| 8093503 | Multilayer wiring board A coreless wiring board has no core board but a laminated structure in which a conductor layer and resin insulating layers are alternately laminated into a multilayer. Each of the resin insulating layers is formed to contain a glass cloth in an epoxy resin. A plural... | 01/10/2012 |
| 8092086 | Temperature sensor A temperature sensor includes: a temperature-sensing element comprising a temperature-sensing portion and an element electrode wire connected to the temperature-sensing portion; a sheath member comprising a sheath tube and a sheath core wire extending from the sheat... | 01/10/2012 |
| 8088264 | Gas sensor element and gas sensor A gas sensor element for detecting a specific gas component contained in a gas to be measured includes: a solid electrolyte layer; a first electrode disposed on the solid electrolyte layer; a second electrode disposed on the solid electrolyte layer; and a porous lay... | 01/03/2012 |
| 8072732 | Capacitor and wiring board including the capacitor A capacitor is provided having a tough surface portion which prevents cracking that tends to occur when the capacitor is built-in or surface-mounted on a wiring board. A ceramic sintered body of the capacitor includes a capacitor forming layer portion, a cover layer... | 12/06/2011 |
| 7438969 | Filling material, multilayer wiring board, and process of producing multilayer wiring board A solvent-free filling material comprising a filler, a thermosetting resin, a curing agent, and a curing catalyst, wherein the thermosetting resin is an epoxy resin, and the curing agent is a dicyandiamide curing agent; a multilayer printed wiring board comprising a... | 10/21/2008 |
| 7402941 | Spark plug A spark plug including a cylindrical insulator having an axial hole extending in an axial direction; a center electrode held in the axial hole on a leading end side; a connecting terminal held in the axial hole on a trailing end side; and a sealing layer provided in... | 07/22/2008 |
| 7398673 | Gas sensor and method of manufacturing the gas sensor An object is to provide a gas sensor which can suppress positional shift of a to-be-held member such as a gas detection element, as well as a method of manufacturing the gas sensor. A gas sensor (101) includes a gas detection element (111), a metallic ... | 07/15/2008 |
| 7382084 | Spark plug having a precious metal tip An object of the invention is to provide a spark plug having a discharge portion made of a precious metal tip, in which peeling of the precious metal tip from a surface of the discharge portion can be suppressed while spark abrasion, oxidation abrasion and abnormal ... | 06/03/2008 |
| 7282670 | Ceramic heater and glow plug having the same The present invention relates to a ceramic heater which is capable of preventing an electric conduction defect of a heat-generating resistor from being caused by a supplied current, thus being excellent in voltage endurance, and a glow plug containing the ceramic he... | 10/16/2007 |
| 7279827 | Spark plug with electrode including precious metal An object of the invention is to provide a higher-durability spark plug provided with a center electrode and a side electrode. At least one of the center electrode and the side electrode includes a precious metal member facing a spark discharge gap between the elect... | 10/09/2007 |
| 7189363 | Gas detector Of a gas detector 100, a chamber 105 formed between a center cover 150 and a cover 160 is a part of an air flow channel AF. A first shielding plate 165 is provided in the chamber 105. Water droplets that have entered the cha... | 03/13/2007 |
| 7164085 | Multilayer wiring board including stacked via structure A multilayer wiring board includes a substrate, a first planar conductor layer, a second planar conductor layer, resin dielectric layers, filled vias, and stacked via structures. Each of the stacked via structures is disposed in the resin dielectric layers and is co... | 01/16/2007 |
| 7129893 | High frequency antenna module A high frequency antenna module having a substrate, a feeding electrode and two dielectric chip antennas being mounted on said substrate. Each of the two dielectric chip antennas having a base end connected to the feeding electrode and a floating end as an open end.... | 10/31/2006 |
| 7081274 | Method for producing spark plug A method for producing a spark plug, the spark plug comprising a center electrode, a metal shell and an alumina ceramic insulator disposed between the center electrode and the metal shell, wherein at least part of the surface of the insulator is covered with a glaze... | 07/25/2006 |
| 7071875 | Antenna and radio frequency module comprising the same A multiple band antenna comprising: a dielectric substrate; and a plurality of antenna elements being formed of each a conductor on a same face of the dielectric substrate and provided in a one-to-one correspondence with frequency bands to operate the frequency band... | 07/04/2006 |
| 7041938 | Glow plug, glow plug mounting structure, and glow plug manufacturing method To provide a glow plug capable of speedily increasing the temperature, a glow plug mounting structure, and a process for manufacturing the glow plug. In the invention, the glow plug (1) comprises: a cylindrical sheath tube (3) closed at its fron... | 05/09/2006 |
| 6995710 | Dielectric antenna for high frequency wireless communication apparatus A dielectric antenna is provided for a high frequency wireless communication apparatus. The antenna includes a dielectric substrate and a conductive meander line layer formed on the dielectric substrate. A conductive feed line layer, having a greater line width than... | 02/07/2006 |
| 6995106 | Dielectric ceramic material A dielectric ceramic material is represented by the following compositional formula, (100-a)[Bau{(ZnvCo1-v)wNbx}Oδ1]-a[MyTazOδ2], where M represents at least one species select... | 02/07/2006 |
| 6976415 | Method for manufacturing printed wiring substrates, metal plate for use in manufacturing printed wiring substrates, and multi-printed wiring-substrate panel The invention provides a method for manufacturing printed wiring substrates which can manufacture printed wiring substrates each having resin dielectric layers of uniform thickness and excellent surface flatness while maintaining favorable cutting performance in a d... | 12/20/2005 |
| 6949987 | Dielectric electronic component with attenuation adjustment electrode and method of adjusting attenuation characteristics of the same A dielectric electronic component such as a dielectric duplexer includes a dielectric ceramic block, a plurality of resonators arranged in a row in the dielectric ceramic block, and at least one terminal pad formed on a side surface of the dielectric ceramic block a... | 09/27/2005 |
| 6880540 | Ignition coil, and internal combustion engine ignition device An object of the present invention is to provide an ignition coil which has a structure to make it possible to connect the ignition coil to a spark plug directly and in which an installation space need not be changed largely when the ignition coil is mounted in a cy... | 04/19/2005 |
| 6876091 | Wiring board The present invention provides a wiring board in which electronic components are embedded by means of an embedding resin which attains a high mounting density of the electronic components in the wiring board, which exhibits excellent electrical properties such as in... | 04/05/2005 |
| 6872436 | Method for manufacturing printed wiring substrates, metal plate for use in manufacturing printed wiring substrates, and multi-printed wiring-substrate panel The invention provides a method for manufacturing printed wiring substrates which can manufacture printed wiring substrates each having resin dielectric layers of uniform thickness and excellent surface flatness while maintaining favorable cutting performance in a d... | 03/29/2005 |
| 6864622 | Spark plug The object of the present invention is to provide a spark plug having a discharge portion formed of a noble-metal chip increased in the Ir content while reducing the content of expensive Rh, which can be restrained from generation of unusual wear in the form of erod... | 03/08/2005 |
| 6858975 | Spark plug having an oil film on an intermediate portion of the insulator or intermediate portion of the metallic shell In a spark plug for an internal combustion engine oil is applied onto at least either the surface of an intermediate body portion of an insulator or the surface of an intermediate hole portion of a metallic shell, thereby forming an oil film. Since the oil film has ... | 02/22/2005 |
| 6859737 | Gas detection apparatus and automatic ventilation system for vehicle A gas detection apparatus incorporating a gas sensor element and a vehicle automatic ventilation system including the apparatus in which a sensor output value S(n) is obtained, and a base value B(n) is calculated by use of Expression (1): B(n)=B(n−1)+k1[S(n)−B(n... | 02/22/2005 |
| 6850193 | Antenna and radio frequency module comprising the same A multiple band antenna comprising: a dielectric substrate; and a plurality of antenna elements being formed of each a conductor on a same face of the dielectric substrate and provided in a one-to-one correspondence with frequency bands to operate the frequency band... | 02/01/2005 |
| 6844796 | Dielectric filter having increased bandwidth A dielectric filter includes a plurality of resonators provided in a dielectric block in parallel to each other. Each resonator is formed through providing an inner conductor on a wall surface of a through-hole extending between first and second end surfaces of the ... | 01/18/2005 |
| 6842143 | Multiple band antenna A multiple band antenna comprising: a dielectric substrate; and a plurality of conductor parts formed on a face of the dielectric substrate and connected to each other, wherein the plurality of conductor parts comprises: a first conductor part extending in a first d... | 01/11/2005 |
| 6831395 | Spark plug A spark plug 100 has a glaze layer 2d formed on a surface of an alumina based insulator 2 contains 1 mol % or less of a Pb component in terms of PbO. The glaze layer 2d comprises 35 to 55 mol % of a Si component in terms of SiO | 12/14/2004 |
| 6822378 | Glaze layer for a spark plug A spark plug comprising: a center electrode; a metal shell; and an alumina ceramic insulator disposed between the center electrode and the metal shell, wherein at least part of the surface of the insulator is covered with a glaze layer comprising oxides, wherein the... | 11/23/2004 |
| 6816034 | Electronic part such as dielectric filter or duplexer and method of forming an electrode of such an electronic part An electronic part such as a dielectric duplexer or filter is provided which comprises a dielectric ceramic block having a pair of opposite first and second side surfaces and an end surface meeting the first and second side surfaces nearly at right angles, an extens... | 11/09/2004 |
